dipole coordinate

例句：

1. 1. In the polar coordinate system, the distance from the origin is measured along the x-axis.
   在极坐标系中，从原点到点的径向距离沿着x轴测量。
2. 2.The polar coordinate system is widely used in navigation and surveying.
   极坐标系统在导航和测绘领域广泛使用。
3. 3. The polar coordinate system is a useful tool for measuring angles and distances in three-dimensional space.
   极坐标系统是测量三维空间中角度和距离的一种有用的工具。